8928920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 27095040

約数和(自身を除く): 18166120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 223, 260, 280, 286, 308, 364, 385, 440, 446, 455, 520, 572, 616, 715, 728, 770, 892, 910, 1001, 1115, 1144, 1430, 1540, 1561, 1784, 1820, 2002, 2230, 2453, 2860, 2899, 3080, 3122, 3640, 4004, 4460, 4906, 5005, 5720, 5798, 6244, 7805, 8008, 8920, 9812, 10010, 11596, 12265, 12488, 14495, 15610, 17171, 19624, 20020, 20293, 23192, 24530, 28990, 31220, 31889, 34342, 40040, 40586, 49060, 57980, 62440, 63778, 68684, 81172, 85855, 98120, 101465, 115960, 127556, 137368, 159445, 162344, 171710, 202930, 223223, 255112, 318890, 343420, 405860, 446446, 637780, 686840, 811720, 892892, 1116115, 1275560, 1785784, 2232230, 4464460, 8928920]

約数ペア:

[(1, 8928920), (2, 4464460), (4, 2232230), (5, 1785784), (7, 1275560), (8, 1116115), (10, 892892), (11, 811720), (13, 686840), (14, 637780), (20, 446446), (22, 405860), (26, 343420), (28, 318890), (35, 255112), (40, 223223), (44, 202930), (52, 171710), (55, 162344), (56, 159445), (65, 137368), (70, 127556), (77, 115960), (88, 101465), (91, 98120), (104, 85855), (110, 81172), (130, 68684), (140, 63778), (143, 62440), (154, 57980), (182, 49060), (220, 40586), (223, 40040), (260, 34342), (280, 31889), (286, 31220), (308, 28990), (364, 24530), (385, 23192), (440, 20293), (446, 20020), (455, 19624), (520, 17171), (572, 15610), (616, 14495), (715, 12488), (728, 12265), (770, 11596), (892, 10010), (910, 9812), (1001, 8920), (1115, 8008), (1144, 7805), (1430, 6244), (1540, 5798), (1561, 5720), (1784, 5005), (1820, 4906), (2002, 4460), (2230, 4004), (2453, 3640), (2860, 3122), (2899, 3080)]